Task: Test network connectivity
Send ICMP ECHO_REQUEST to network hosts, routers, servers etc with ping command. This verifies connectivity exists between local host and remote network system:$ ping router
$ ping 192.168.1.254
$ ping cyberciti.biz
See simple Linux system monitoring with ping command and scripts for more information.Task: Use GUI (Graphical Configuration) network Tool If you are new, use GUI configuration tool, type the following command at terminal:$ network-admin &
Above command is Ubuntu's GUI for configuring network connections tool.Final tip - Learn how find out more information about commandsA man page is your best friend when you wanted to learn more about particular command or syntax. For example, read detailed information about ifconfig and netstat command:$ man ifconfig
$ man netstat Just get a short help with all command options by appending --help option to each command:$ netstat --help
Find out what command is used for particular task by searching the short descriptions and manual page names for the keyword:$ man -k 'delete directory'
$ apropos -s 1 remove
Display short descriptions of a command:$ whatis rm
$ whatis netstat